探索介质纳米颗粒作为益生菌剂的功能
Moumita Sil1, Arunava Goswami2
1Biological Sciences Division, Indian Statistical Institute, Kolkata, 700108, India. moumitasil20@gmail.com.
Antonie van Leeuwenhoek
|March 13, 2025
概括
像SBA15和SBA16这样的半孔纳米粒子 (MSN) 显著增强Bacillus coagulans的生长,作为益生菌. 它们还通过吸附药物来减轻抗生素压力,SBA15显示出优越的益生菌支持.
科学领域:
- 材料科学 材料科学 材料科学
- 生物技术是生物技术.
- 纳米技术 纳米技术
背景情况:
- 包括SBA15和SBA16在内的半孔纳米粒子 (MSN) 具有独特的结构性质,如高表面积和生物相容性.
- 这些特性使它们适用于各种应用,包括调节微生物生长的潜在作用.
研究的目的:
- 为了研究SBA15和SBA16中孔性二氧化纳米颗粒的前生物潜力.
- 评估它们对Bacillus coagulans生长和代谢活动的影响.
- 探索它们对抗生素疗效的影响.
主要方法:
- 使用SEM,TEM,BET,UV-Vis和DLS进行MSN (SBA15,SBA16) 的表征.
- 通过光密度和殖民地形成单元测定来评估Bacillus coagulans的生长.
- 对ATP水平的酶测定和安皮西林最小抑制度 (MIC) 的确定.
主要成果:
- SBA15和SBA16具有不同的结构特征 (六角形与管状毛孔) 和表面积 (718 m2 / g与740 m2 / g).
- 在低度 (0.1-1 ppm) 时,MSN显著增强了Bacillus coagulans的扩散,而SBA15更有效.
- 增加的ATP水平表明增强的代谢活性,并且由于纳米颗粒吸附,观察到安皮西林MIC的增加.
结论:
- 半孔纳米颗粒作为有效的益生菌剂,促进益生菌生长和代谢活动.
- MSNs的孔径大小影响细菌的粘附,营养吸收和增殖效率.
- 通过降低药物的生物可用性,MSN可以减轻抗生素压力,在医疗保健和生物技术中提出潜在的应用.
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